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Armadillidium vulgare with mancas Mom with three mancas still lingering nearby.<br />
Same mom, with mancas still in marsupium, about two days earlier:<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/80443/armadillidium_vulgare_-_marsupium_about_to_burst.html" title="Armadillidium vulgare - Marsupium about to burst"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/80443_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=G%2BZgCo3DjK6HKWtyFdFdk2fbVQk%3D" width="200" height="150" alt="Armadillidium vulgare - Marsupium about to burst Female Armadillidium vulgare with very mature brood in the marsupium - the individual mancas (juveniles) can be clearly recognized.<br />
Same mom with a few of the mancas some two days later:<br />
https://www.jungledragon.com/image/80470/armadillidium_vulgare_with_mancas.html Armadillidiidae,Armadillidium,Armadillidium vulgare,Geotagged,Isopoda,La Palma (Canary Islands),Manca,Marsupium,Oniscidea,Spain,Woodlouse" /></a></figure><br />
Shots of single manca<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/80446/manca_armadillidium_vulgare.html" title="Manca (Armadillidium vulgare)"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/80446_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=xd4yWTnb8ebeMQIgSr8sULB295s%3D" width="200" height="114" alt="Manca (Armadillidium vulgare) In Woodlice the juveniles that have just left the marsupium are called &quot;Manca&quot;, probably derived from &quot;something still missing&quot;.<br />
A complete Woodlouse has 7 pairs of legs - one pair on each segment of the pereon, but in a manca the 7th segment is not yet fully developed (as seen in this image) and does not yet carry legs. It will need two moults to develop the 7th segment with fully functional legs. Armadillidiidae,Armadillidium,Armadillidium vulgare,Crustacea,Geotagged,Isopoda,La Palma (Canary Islands),Manca,Oniscidea,Pill Bug,Spain,Woodlouse,Woodlouse ID help" /></a></figure> Armadillidiidae,Armadillidium,Armadillidium vulgare,Geotagged,Isopoda,La Palma (Canary Islands),Manca,Oniscidea,Spain,Woodlouse Click/tap to enlarge

Armadillidium vulgare with mancas

Mom with three mancas still lingering nearby.
Same mom, with mancas still in marsupium, about two days earlier:

Armadillidium vulgare - Marsupium about to burst Female Armadillidium vulgare with very mature brood in the marsupium - the individual mancas (juveniles) can be clearly recognized.<br />
Same mom with a few of the mancas some two days later:<br />
https://www.jungledragon.com/image/80470/armadillidium_vulgare_with_mancas.html Armadillidiidae,Armadillidium,Armadillidium vulgare,Geotagged,Isopoda,La Palma (Canary Islands),Manca,Marsupium,Oniscidea,Spain,Woodlouse

Shots of single manca
Manca (Armadillidium vulgare) In Woodlice the juveniles that have just left the marsupium are called "Manca", probably derived from "something still missing".<br />
A complete Woodlouse has 7 pairs of legs - one pair on each segment of the pereon, but in a manca the 7th segment is not yet fully developed (as seen in this image) and does not yet carry legs. It will need two moults to develop the 7th segment with fully functional legs. Armadillidiidae,Armadillidium,Armadillidium vulgare,Crustacea,Geotagged,Isopoda,La Palma (Canary Islands),Manca,Oniscidea,Pill Bug,Spain,Woodlouse,Woodlouse ID help

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"Armadillidium vulgare", the pill-bug, potato bug, pill woodlouse, roly-poly, doodle bug, or carpenter, is a widespread European species of woodlouse. It is the most extensively investigated terrestrial isopod species.

Similar species: Brood Pouch Crustaceans
Species identified by Pudding4brains
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By Pudding4brains

Public Domain
Uploaded Jun 14, 2019. Captured in Camino el Pedregal, 38769 El Pedregal, Santa Cruz de Tenerife, Spain.